{"id":"CVE-2023-3521","aliases":["EUVD-2023-44178","GHSA-f2hf-p7mp-7x9v"],"status":"published","title":"Cross-site Scripting (XSS) - Reflected in fossbilling/fossbilling","description":"Cross-site Scripting (XSS) - Reflected in GitHub repository fossbilling/fossbilling prior to 0.5.4.","severity":{"version":"3.0","score":5.4,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00919,"percentile":0.6069,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2023-07-06T01:45:39Z","modified":"2026-10-28T02:31:02Z","exploits":[{"source":"nuclei","id":"CVE-2023-3521","title":"FOSSBilling \u003c 0.5.3 - Cross-Site Scripting","type":"detection template","url":"https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2023/CVE-2023-3521.yaml"}],"products":[{"vendor":"fossbilling","product":"fossbilling"},{"vendor":"fossbilling","product":"fossbilling/fossbilling"}],"references":[{"url":"https://huntr.dev/bounties/76a3441d-7f75-4a8d-a7a0-95a7f5456eb0","tags":["x_transferred","Exploit","Patch","Third Party Advisory","web"]},{"url":"https://github.com/fossbilling/fossbilling/commit/5eb516d4ebcb764db1b2edf9c8d0539e76ebde52","tags":["x_transferred","Patch","fix"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-3521","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-f2hf-p7mp-7x9v"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/3xxx/CVE-2023-3521.json","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2023-3521","title":"Cross-site Scripting (XSS) - Reflected in fossbilling/fossbilling","description":"Cross-site Scripting (XSS) - Reflected in GitHub repository fossbilling/fossbilling prior to 0.5.4.","status":"published","published":"2023-07-06T01:45:39.229Z","modified":"2024-10-31T17:52:07.733Z","cvss":[{"version":"3.0","score":5.4,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:35:24.360381Z"}],"euvd":[{"id":"EUVD-2023-44178","description":"Cross-site Scripting (XSS) - Reflected in GitHub repository fossbilling/fossbilling prior to 0.5.4.","status":"published","published":"2023-07-06T01:45:39Z","modified":"2024-10-31T17:52:07Z","cvss":[{"version":"3.0","score":5.4,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N","level":"medium"}],"updated_at":"2026-11-03T00:05:13.001555Z"}],"ghsa":[{"id":"GHSA-f2hf-p7mp-7x9v","title":"Cross-site Scripting (XSS) - Reflected in GitHub repository fossbilling/fossbilling prior to 0.5.4.","description":"Cross-site Scripting (XSS) - Reflected in GitHub repository fossbilling/fossbilling prior to 0.5.4.","status":"published","published":"2023-07-06T03:30:44Z","modified":"2023-11-05T05:06:26Z","cvss":[{"version":"3.0","score":5.4,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N","level":"medium"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:54:51.575138Z"}],"nvd":[{"id":"CVE-2023-3521","description":"Cross-site Scripting (XSS) - Reflected in GitHub repository fossbilling/fossbilling prior to 0.5.4.","status":"published","published":"2023-07-06T02:15:09.51Z","modified":"2026-06-17T06:14:16.13Z","cvss":[{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"primary"},{"version":"3.0","score":5.4,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:08:15.127597Z"}],"osv":[{"id":"CVE-2023-3521","title":"Cross-site Scripting (XSS) - Reflected in fossbilling/fossbilling","description":"Cross-site Scripting (XSS) - Reflected in GitHub repository fossbilling/fossbilling prior to 0.5.4.","status":"published","published":"2023-07-06T01:45:39.229Z","modified":"2026-10-28T02:31:02.542702406Z","cvss":[{"version":"3.0","score":5.4,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N","level":"medium"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T15:44:32.510144Z"}]}}